CMN Neurología exam-day guide
CMN Neurología · Prepare for the day ahead.
Your checklist
Confirm the exact exam format and logistics with the provider
The CMN (Certificado Médico Nacional) Neurología exam is administered in Mexico; the number of questions, time limit, and whether it is paper or computer-based can change between sittings. Before you plan your final days, confirm these details on the official convocatoria or with the administering institution. Treat any figure you have not verified as provisional.
Official photo ID (original)
Bring the original identification document the convocatoria requires, typically a valid official photo ID such as a passport or national ID. A photocopy is generally not accepted. Confirm which documents are accepted for your sitting with the provider, since requirements vary by institution and year.
Exam admission document / registration confirmation
Print or download the admission voucher, folio, or registration confirmation if the provider issues one. Confirm with the provider whether a printed copy is required or whether a digital version is accepted.
Know the venue and arrival time
Confirm the exact address, building, and access door, and the reporting time. Arrive with margin for traffic, parking, and security checks. If the venue is unfamiliar, do a trial run or check the route in advance. Confirm the reporting time with the provider; do not assume it matches the published start time.
Permitted writing materials only
Bring only what the convocatoria permits, typically pencils, an eraser, and a pen. Confirm with the provider whether scratch paper, highlighters, or calculators are allowed; many exams prohibit them. Do not bring notes, books, or electronic devices into the exam room.
Leave phones and smart devices outside the exam room
Unless the provider explicitly states otherwise, phones, smartwatches, and other electronic devices must be off and stored outside the testing area. Confirm the provider's policy on storage, since some venues do not provide a secure place for belongings.
Review the official content outline and weighting
Use the published temario to check that your review covers the listed neurology domains, such as vascular disease, epilepsy, headache, neuromuscular disorders, demyelinating disease, movement disorders, neuroinfectiology, and neuroimaging interpretation. If no official outline is published for your sitting, confirm the scope with the provider rather than relying on rumor.
Plan hydration, food, and medication
Eat a normal meal before the exam and bring water only if the venue permits it. If you take prescription medication, confirm with the provider and your physician how to manage it around the exam. Do not start new stimulants or supplements on exam day.
Confirm break policy in advance
Whether breaks are allowed, how many, and whether the clock stops is set by the provider and varies by sitting. Confirm this before exam day so you can plan hydration and restroom use. Do not assume breaks are available.
Confirm scoring and pass criteria
Ask the provider how the exam is scored, whether there is a penalty for wrong answers, and what the passing standard is. If you cannot verify this, plan to answer every question unless the instructions explicitly state a penalty for guessing.
Prepare a one-page high-yield review sheet
Condense stroke thrombolysis windows and contraindications, status epilepticus escalation, headache red flags, Guillain-Barré and myasthenia gravis recognition, and common neuroimaging patterns. Keep it to key decision points you can review in the final 24 hours.
Sleep and logistics buffer
Protect sleep in the 72 hours before the exam and avoid all-night study sessions. Confirm transport, backup transport, and an emergency contact. A rested candidate performs better than one who crammed until 3 a.m.
Plan the day
Stop expanding your source material. Switch to consolidation: review your own summaries, error log, and high-yield decision rules. Do one timed practice block under exam-like conditions to check pacing, then review only the questions you missed and why. Confirm venue, reporting time, ID requirements, and permitted materials with the provider if anything is still unclear. Prepare your documents and bag so exam morning is decision-free.
Do a light review of the one-page high-yield sheet: thrombolysis and thrombectomy windows, status epilepticus algorithm, headache red flags, neuromuscular emergencies, and common imaging patterns. Do not start new topics. Check the route and travel time, set two alarms, charge devices you need for transport, and lay out ID, admission document, and permitted materials. Eat a normal dinner, avoid alcohol, and go to bed at your usual time.
Eat a normal breakfast, take only medications you have already discussed with your physician, and leave earlier than the map suggests. Recheck that you carry the original ID and admission document. Leave phones and smart devices stored as the provider requires. Arrive at the venue with buffer time, locate the restroom and your assigned room, and avoid last-minute group discussions of disputed answers, which raise anxiety without improving performance.
Read the instructions and confirm the number of questions, time limit, and whether there is a penalty for wrong answers. Do a first pass answering questions you know, flagging the rest, and watching the clock so you leave time to return to flagged items. For long vignettes, identify the question being asked before reading the options. Do not leave answers blank unless the instructions state a penalty for guessing. If you must guess, eliminate clearly wrong options first. Use any permitted break as instructed and return promptly.
Rules to check
Bring the original photo ID and admission document required by the convocatoria. Confirm with the provider which documents are accepted, since a photocopy or expired ID may be refused at the door.
Follow all instructions from invigilators. Do not bring notes, books, or electronic devices into the exam room unless the provider explicitly permits them, and confirm the storage policy for personal belongings beforehand.
Do not communicate with other candidates during the exam, and do not attempt to copy, photograph, or remove exam materials. Suspected misconduct is handled under the provider's regulations, which you should read in advance.
Breaks, restroom access, and whether the clock stops are set by the provider and vary by sitting. Confirm the policy before exam day rather than assuming a break will be available.
Scoring method and passing standard are set by the provider. Confirm whether wrong answers are penalized; if no penalty is stated, answer every question rather than leaving blanks.
If you have a disability or medical condition requiring accommodation, request it through the provider's published procedure well before the exam. Do not assume accommodations can be arranged on exam day.
If you are ill on exam day, follow the provider's policy on withdrawal, rescheduling, or medical documentation. Confirm the procedure in advance, since rules differ by institution.
Report any irregularity, technical failure, or disturbance to the invigilator immediately and ask how it will be recorded, rather than resolving it after the exam.